CN107889287A - It is a kind of to be used for high temperature fluidized bed electric heater - Google Patents
It is a kind of to be used for high temperature fluidized bed electric heater Download PDFInfo
- Publication number
- CN107889287A CN107889287A CN201710924281.3A CN201710924281A CN107889287A CN 107889287 A CN107889287 A CN 107889287A CN 201710924281 A CN201710924281 A CN 201710924281A CN 107889287 A CN107889287 A CN 107889287A
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- CN
- China
- Prior art keywords
- electric heater
- resistance wire
- fluidized bed
- high temperature
- spiral resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/023—Industrial applications
- H05B1/0247—For chemical processes
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- Resistance Heating (AREA)
Abstract
Present invention offer is a kind of to be used for high temperature fluidized bed electric heater.The electric heater is wrapped on the outer wall of fluid bed cylinder；The electric heater outermost is incubated for outer layer, is spiral resistance wire and supporter in outer layer insulation；Wherein supporter is designed to inside and outside two layers of perforation structure, spiral resistance wire, which divides inside and outside two layers, to be each passed through the perforation of supporter internal layer and supports volume surrounding perforation complications to turn around connection, inside and outside two layers spiral resistance wire is also turned on during initial heating, when starting reaction, cut off spiral resistance wire all the way, the power supply heating of single channel spiral resistance wire, the heat of needs is reacted during meeting fluid bed normal work.The present invention solves the heating requirements of fluid bed production different phase, and opposite opened structural inspection is convenient, and the canoe of spiral resistance wire reduces the surface power of electric heating element, extends the service life of heater, meets the heating requirements that fluid bed uses.
Description
Technical field
The invention belongs to uranium purifying, transformation technology field, mainly uranium purifying, convert with high temperature fluidized bed activating reaction and
The heater of maintenance reaction, and in particular to a kind of to be used for high temperature fluidized bed external heating device.
Background technology
In domestic uranium purifying, conversion production technology, high temperature fluidized bed operation principle is：Provocative reaction is heated first, instead
At once certain heat is discharged, but is not enough to maintain sustained response, it is also necessary to which certain heat maintenance reaction, but required heat are provided
Measure fewer than the heat that provocative reaction needs.
Therefore, initial stage is needed during high temperature fluidized bed use and heats provocative reaction, reaction reduces heating power after starting, and maintains
Reaction.
The content of the invention
It is used for high temperature fluidized bed electric heater it is an object of the invention to provide a kind of, the device meets uranium purifying, conversion
With high temperature fluidized bed activating reaction and the heating of maintenance reaction.Described high temperature fluidized bed tempertaure is more than or equal to 450 DEG C.
Realize the technical scheme of the object of the invention：It is a kind of to be used for high temperature fluidized bed electric heater, electric heater parcel
On the outer wall of fluid bed cylinder, by the outer wall of heated fluidized bed cylinder, and then the material in heated fluidized bed；The electrical heating
Device outermost is incubated for outer layer, is spiral resistance wire and supporter in outer layer insulation；Wherein supporter is designed to inside and outside two layers
Perforation structure, spiral resistance wire, which divides inside and outside two layers, to be each passed through the perforation of supporter internal layer and supports volume surrounding perforation complications to turn around company
Connect, inside and outside two layers spiral resistance wire is also turned on during initial heating, when starting reaction, cut-out spiral resistance wire all the way is single
The power supply heating of road spiral resistance wire, the heat of needs is reacted during meeting fluid bed normal work.
A kind of as described above to be used for high temperature fluidized bed electric heater, the spiral resistance wire described in it uses chromium nickel resistance
Silk, described supporter use carbofrax material.
It is as described above it is a kind of be used for high temperature fluidized bed electric heater, its insulation shell nexine and spiral resistance wire it
Between set asbestos material insulation board.
A kind of as described above to be used for high temperature fluidized bed electric heater, it is incubated outer setting terminal box in outer layer；It is described
Terminal box left no room for manoeuvre edge agent structure using phenolic aldehyde lamination fabric swatch.
It is as described above it is a kind of be used for high temperature fluidized bed electric heater, in the terminal box described in it inlet wire, outlet distinguish
Two-way, i.e. terminal box two-way inlet wire and terminal box two-way outlet are designed to, for different when initial heating is with normal production heating
The switching of power.
A kind of as described above to be used for high temperature fluidized bed electric heater, the electric heater described in it is opposite opened structure,
And connect to form tubular by several split connectors.
A kind of as described above to be used for high temperature fluidized bed electric heater, the electric heater described in it is incubated appearance in outer layer
Roller and handle are installed in face, pull open opposite opened structure with handle during maintenance, and roller can be along around electric heater on support
Track travel.
It is as described above it is a kind of be used for high temperature fluidized bed electric heater, the outer layer insulation described in it include metal shell with
Heat-insulating material, wherein metal shell are coated on the outside of heat-insulating material；Metal shell uses carbon steel；Heat-insulating material uses alumina silicate
Fiber.
A kind of as described above to be used for high temperature fluidized bed electric heater, it is in metal shell nexine close to fluid bed furnace wall
One side coating high-temp. far infrared radiation paint.
The remarkable result of the present invention is：High temperature fluidized bed electric heater of the present invention, solves fluid bed life
The heating requirements of different phase are produced, opposite opened structural inspection is convenient, and the canoe of spiral resistance wire reduces electric heating element
Surface power, the service life of heater is extended, meet the heating requirements that fluid bed uses.Electric heater of the present invention is uranium
Purifying, one of the capital equipment of conversion system, the equipment has been successfully applied to multiple uranium Transformation Engineerings, and running situation is stablized good
It is good.
The specific of the present invention has the beneficial effect that：
(1) metallic resistance silk selects function admirable and durable chromium nickel resistance wire, is wound in helix, is through supporter
Complications turn around connection in through hole.Such a mode can reduce the surface loading of resistance wire.
(2) supporter is designed to inside and outside two layers of perforation.Inside and outside two layers resistance wire is also turned on during initial heating, works as beginning
During reaction, cut-out resistance wire all the way, the power supply heating of single channel resistance wire, the heat of needs is reacted during meeting fluid bed normal work
Amount.
(3) terminal box is left no room for manoeuvre edge body structural member using phenolic aldehyde lamination fabric swatch, inlet wire, occurs being respectively designed to two-way, for first
The switching of different capacity when beginning to heat and normally producing heating.
(4) in order to overhaul conveniently, heater makes opposite opened structure, and installs roller and handle, inspection in housing outer surface
Pulled open when repairing with handle, the roller on heater can be along the track travel around heater on support.
Brief description of the drawings
Fig. 1 a kind of is used for high temperature fluidized bed electric heater structure schematic diagram to be of the present invention；
Fig. 2 a kind of is used for high temperature fluidized bed electric heater cross-sectional view to be of the present invention；
In figure：1. outer layer is incubated；2. insulation board；3. spiral resistance wire；4. supporter；5. split connector；6. terminal box；
7. roller；8. insulation shell nexine；9. phenolic aldehyde is laminated fabric swatch；10. handle；11. terminal box two-way inlet wire；12. terminal box two-way
Occur；13. supporter internal layer is perforated；14. support volume surrounding perforation.
Embodiment
Below in conjunction with the accompanying drawings with specific embodiment to of the present invention a kind of for high temperature fluidized bed electric heater work
Further describe.
As depicted in figs. 1 and 2, it is of the present invention it is a kind of be used for high temperature fluidized bed electric heater include outer layer insulation 1,
The parts such as insulation board 2, spiral resistance wire 3, supporter 4, roller 7, terminal box 6.The electric heater is wrapped in fluid bed cylinder
On outer wall, by the outer wall of heated fluidized bed cylinder, and then the material in heated fluidized bed.
The electric heater outermost is outer layer insulation 1, is spiral resistance wire 3 and supporter 4 in outer layer insulation 1；Wherein
Supporter 4 is designed to inside and outside two layers of perforation structure, and spiral resistance wire 3, which divides inside and outside two layers, is each passed through supporter internal layer 13 Hes of perforation
Support volume surrounding 14 complications of perforating turn around connection, are also turned on inside and outside two layers spiral resistance wire 3 during initial heating, when starting instead
At once, spiral resistance wire 3 all the way, the power supply heating of single channel spiral resistance wire 3, to react need when meeting fluid bed normal work are cut off
The heat wanted.
The insulation board 2 of asbestos material is set between insulation shell nexine 8 and spiral resistance wire 3.
Terminal box 6 is set outside outer layer insulation 1；Described terminal box 6 does insulating body using phenolic aldehyde lamination fabric swatch 9；Connect
Inlet wire, outlet are respectively designed to two-way, i.e. terminal box two-way inlet wire 11 and terminal box two-way outlet 12 in line box 6, for initial
The switching of different capacity when heating and normal production heating.
Electric heater of the present invention can be opposite opened structure, and be formed by several split connections of connector 5
Tubular.Electric heater pulls open opposite opened structure in outer layer insulation 1 outer surface installation roller 7 and handle 10, maintenance with handle 10,
Roller 7 can be along the track travel around electric heater on support.
Described spiral resistance wire 3 is used using from function admirable and durable chromium nickel resistance wire, described supporter 4
Carbofrax material.
Described outer layer insulation 1 includes metal shell and heat-insulating material, and wherein metal shell is coated on the outer of heat-insulating material
Face；Metal shell uses carbon steel；Heat-insulating material uses alumina silicate fibre.
One side coating high-temp. far infrared radiation paint (such as ZS1061) in metal shell nexine close to fluid bed furnace wall.
Operation principle：High temperature fluidized bed is vertical and cylindrical, when solid material is in fluidized state in fluid bed cylinder,
By cylinder externally heating material, when temperature of charge reaches about 450 DEG C, air-flow and solid material from top to bottom from bottom to top
Fully reaction, generation solid are exported by the oblique feed opening in cylinder bottom.After starting reaction, institute's calorific requirement is required when being about provocative reaction
The half of heat.
Principle of heating：Electric heater of the present invention is wrapped on the outer wall of fluid bed cylinder, by heating outer wall, is entered
And heated material.It can realize changed power in the case of not blowing out；In maintenance, spent time is as far as possible short；And heat
Device service life is grown.
It is emphasized that：It the above is only presently preferred embodiments of the present invention, not the present invention made any formal
Limitation, every any simple modification, equivalent change and modification for being made to above example of technical spirit according to the present invention,
In the range of still falling within technical solution of the present invention.
Claims (9)
1. a kind of be used for high temperature fluidized bed electric heater, the electric heater is wrapped on the outer wall of fluid bed cylinder, by adding
The outer wall of fluidized hot bed cylinder, and then the material in heated fluidized bed；It is characterized in that：The electric heater outermost is protected for outer layer
Warm (1), it is spiral resistance wire (3) and supporter (4) in outer layer insulation (1)；Wherein supporter (4) is designed to wear for inside and outside two layers
Pore structure, spiral resistance wire (3), which divides inside and outside two layers, is each passed through supporter internal layer perforation (13) and support volume surrounding perforation (14)
Complications turn around connection, are also turned on inside and outside two layers spiral resistance wire (3) during initial heating, when starting reaction, cut-out is all the way
Spiral resistance wire (3), single channel spiral resistance wire (3) power supply heating, the heats of needs is reacted during meeting fluid bed normal work.
2. a kind of it is used for high temperature fluidized bed electric heater according to claim 1, it is characterised in that：Described spiral electricity
Resistance silk (3) uses chromium nickel resistance wire, and described supporter (4) uses carbofrax material.
3. a kind of it is used for high temperature fluidized bed electric heater according to claim 1, it is characterised in that：In insulation shell
The insulation board (2) of asbestos material is set between layer (8) and spiral resistance wire (3).
4. a kind of it is used for high temperature fluidized bed electric heater according to claim 1, it is characterised in that：It is incubated in outer layer
(1) terminal box (6) is set outside；Described terminal box (6) does insulation agent structure using phenolic aldehyde lamination fabric swatch (9).
5. a kind of it is used for high temperature fluidized bed electric heater according to claim 4, it is characterised in that：Described terminal box
(6) interior inlet wire, outlet are respectively designed to two-way, i.e. terminal box two-way inlet wire (11) and terminal box two-way outlet (12), for first
The switching of different capacity when beginning to heat and normally producing heating.
6. a kind of it is used for high temperature fluidized bed electric heater according to claim 1, it is characterised in that：Described electrical heating
Device is opposite opened structure, and forms tubular by several split connector (5) connections.
7. a kind of it is used for high temperature fluidized bed electric heater according to claim 1, it is characterised in that：Described electrical heating
Device pulls open opposite opened structure in outer layer insulation (1) outer surface installation roller (7) and handle (10), maintenance with handle (10), rolls
Taking turns (7) can be along the track travel around electric heater on support.
8. a kind of it is used for high temperature fluidized bed electric heater according to claim 1, it is characterised in that：Described outer layer is protected
Warm (1) includes metal shell and heat-insulating material, and wherein metal shell is coated on the outside of heat-insulating material；Metal shell uses carbon
Steel；Heat-insulating material uses alumina silicate fibre.
9. a kind of it is used for high temperature fluidized bed electric heater according to claim 1, it is characterised in that：In metal shell
One side coating high-temp. far infrared radiation paint of the layer close to fluid bed furnace wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924281.3A CN107889287B (en) | 2017-09-30 | 2017-09-30 | Electric heater for high-temperature fluidized bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924281.3A CN107889287B (en) | 2017-09-30 | 2017-09-30 | Electric heater for high-temperature fluidized bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107889287A true CN107889287A (en) | 2018-04-06 |
| CN107889287B CN107889287B (en) | 2021-06-22 |
Family
ID=61781100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710924281.3A Active CN107889287B (en) | 2017-09-30 | 2017-09-30 | Electric heater for high-temperature fluidized bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107889287B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2532652Y (en) * | 2002-01-28 | 2003-01-22 | 江衍雄 | Electric heater |
| CN2586391Y (en) * | 2002-10-30 | 2003-11-19 | 孙志革 | Electric hair drier |
| CN201273775Y (en) * | 2008-09-10 | 2009-07-15 | 姜堰市光明化工厂 | Radiant heating structure for reducing furnace |
| CN203517974U (en) * | 2013-08-14 | 2014-04-02 | 深圳市联创电器实业有限公司 | Electric heater provided with heating unit with metal resistance straps, and heating unit of electric heater |
| CN106661643A (en) * | 2014-06-06 | 2017-05-10 | 日铁住金综合工程株式会社 | Far infrared radiation multistage heating furnace for steel plates for hot pressing |
-
2017
- 2017-09-30 CN CN201710924281.3A patent/CN107889287B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2532652Y (en) * | 2002-01-28 | 2003-01-22 | 江衍雄 | Electric heater |
| CN2586391Y (en) * | 2002-10-30 | 2003-11-19 | 孙志革 | Electric hair drier |
| CN201273775Y (en) * | 2008-09-10 | 2009-07-15 | 姜堰市光明化工厂 | Radiant heating structure for reducing furnace |
| CN203517974U (en) * | 2013-08-14 | 2014-04-02 | 深圳市联创电器实业有限公司 | Electric heater provided with heating unit with metal resistance straps, and heating unit of electric heater |
| CN106661643A (en) * | 2014-06-06 | 2017-05-10 | 日铁住金综合工程株式会社 | Far infrared radiation multistage heating furnace for steel plates for hot pressing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107889287B (en) | 2021-06-22 |
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Address after: 030012 Shanxi Province, Taiyuan city and State Road West Lane No. 9 Patentee after: China Nuclear Seventh Research and Design Institute Co.,Ltd. Address before: 030012 Shanxi Province, Taiyuan city and State Road West Lane No. 9 Patentee before: CNNC XINNENG NUCLEAR ENGINEERING CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |